heptaphane

H4E1P3T1A1P3H4A1N1E1

noun

In the nomenclature of complex organic compounds, any linear phane containing seven nodes (or superatoms)

OriginEnglish phane ← Ancient Greek φαίνω (phaínō) ← Proto-Hellenic *pʰáňňō →
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Meanings

nounheptaphane (plural heptaphanes)

plural heptaphanes

  1. chemistryIn the nomenclature of complex organic compounds, any linear phane containing seven nodes (or superatoms)

Origin

  1. Proto-Afroasiatic*sṗɣ?
  2. Proto-Semitic*šabʕ-bor.?
  3. Proto-Indo-European*septḿ̥
  4. Proto-Hellenic*heptə́
  5. Ancient Greekἑπτᾰ́ (heptắ)
  6. Englishhepta-
  7. Proto-Indo-European*bʰeh₂-
  8. Proto-Indo-European*bʰh₂nyéti
  9. Proto-Hellenic*pʰáňňō
  10. Ancient Greekφαίνω (phaínō)
  11. Englishphane
  12. Englishheptaphane

From hepta- + phane.

Full word history & related roots →
Cite this entry
APA

heptaphane. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/heptaphane

MLA

“heptaphane.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heptaphane. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “heptaphane,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/heptaphane.

Source: heptaphane on Wiktionary, CC BY-SA 4.0.